Calcium Fluoride Crystal
Calcium Fluoride (CaF2) crystal has good mechanical strength, good moisture resistance, and a high transmittance range of 0.13 to 11.3 um, up to 95%. It is a good window material. The using temperature is below 600 °C in the atmosphere and 800 °C in vacuum drying.
Calcium Fluoride Crystal Physical Properties
Material |
CaF2 |
Crystal Structure |
Hexagonal |
Density(g/cm3) |
3.18 g/cm3 |
Melting Point |
1360℃ |
Index of Refraction |
1.39908 at 5mm |
Hardness |
158.3(100) |
Wavelengths |
0.13~11.3mm |
Flexible Coefficient |
C11=164, C12=53, C44=33.7 |
Thermal Expansion |
18.85×10-6∕℃ |
Calcium Fluoride Crystal Specifications
Size |
Special size and orientation are available on demand. |
Polished |
SSP or DSP |
Orientation |
<100>, <110>, <111> |
Redirection Precision |
±0.5° |
Angle of Crystalline |
Special size and orientation are available on demand. |
Ra: |
≤5Å(5µm×5µm) |
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